# Copyright 2023 The Google Research Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Registry of all instructions."""

from . import instructions

_KEYWORD = 'keywords:'

_LANGUAGE = 'language:'

_LENGTH = 'length_constraints:'

_CONTENT = 'detectable_content:'

_FORMAT = 'detectable_format:'

_MULTITURN = 'multi-turn:'

_COMBINATION = 'combination:'

_STARTEND = 'startend:'

_CHANGE_CASES = 'change_case:'

_PUNCTUATION = 'punctuation:'

INSTRUCTION_DICT = {
    _KEYWORD + 'existence':
    instructions.KeywordChecker,
    _KEYWORD + 'frequency':
    instructions.KeywordFrequencyChecker,
    # TODO(jeffreyzhou): make a proper set of sentences to choose from
    # _KEYWORD + "key_sentences": instructions.KeySentenceChecker,
    _KEYWORD + 'forbidden_words':
    instructions.ForbiddenWords,
    _KEYWORD + 'letter_frequency':
    instructions.LetterFrequencyChecker,
    _LANGUAGE + 'response_language':
    instructions.ResponseLanguageChecker,
    _LENGTH + 'number_sentences':
    instructions.NumberOfSentences,
    _LENGTH + 'number_paragraphs':
    instructions.ParagraphChecker,
    _LENGTH + 'number_words':
    instructions.NumberOfWords,
    _LENGTH + 'nth_paragraph_first_word':
    instructions.ParagraphFirstWordCheck,
    _CONTENT + 'number_placeholders':
    instructions.PlaceholderChecker,
    _CONTENT + 'postscript':
    instructions.PostscriptChecker,
    _FORMAT + 'number_bullet_lists':
    instructions.BulletListChecker,
    # TODO(jeffreyzhou): Pre-create paragraph or use prompt to replace
    # _CONTENT + "rephrase_paragraph": instructions.RephraseParagraph,
    _FORMAT + 'constrained_response':
    instructions.ConstrainedResponseChecker,
    _FORMAT + 'number_highlighted_sections': (instructions.HighlightSectionChecker),
    _FORMAT + 'multiple_sections':
    instructions.SectionChecker,
    # TODO(tianjianlu): Re-enable rephrasing with preprocessing the message.
    # _FORMAT + "rephrase": instructions.RephraseChecker,
    _FORMAT + 'json_format':
    instructions.JsonFormat,
    _FORMAT + 'title':
    instructions.TitleChecker,
    # TODO(tianjianlu): Re-enable with specific prompts.
    # _MULTITURN + "constrained_start": instructions.ConstrainedStartChecker,
    _COMBINATION + 'two_responses':
    instructions.TwoResponsesChecker,
    _COMBINATION + 'repeat_prompt':
    instructions.RepeatPromptThenAnswer,
    _STARTEND + 'end_checker':
    instructions.EndChecker,
    _CHANGE_CASES + 'capital_word_frequency':
    instructions.CapitalWordFrequencyChecker,
    _CHANGE_CASES + 'english_capital':
    instructions.CapitalLettersEnglishChecker,
    _CHANGE_CASES + 'english_lowercase':
    instructions.LowercaseLettersEnglishChecker,
    _PUNCTUATION + 'no_comma':
    instructions.CommaChecker,
    _STARTEND + 'quotation':
    instructions.QuotationChecker,
}

INSTRUCTION_CONFLICTS = {
    _KEYWORD + 'existence': {_KEYWORD + 'existence'},
    _KEYWORD + 'frequency': {_KEYWORD + 'frequency'},
    # TODO(jeffreyzhou): make a proper set of sentences to choose from
    # _KEYWORD + "key_sentences": instructions.KeySentenceChecker,
    _KEYWORD + 'forbidden_words': {_KEYWORD + 'forbidden_words'},
    _KEYWORD + 'letter_frequency': {_KEYWORD + 'letter_frequency'},
    _LANGUAGE + 'response_language': {
        _LANGUAGE + 'response_language',
        _FORMAT + 'multiple_sections',
        _KEYWORD + 'existence',
        _KEYWORD + 'frequency',
        _KEYWORD + 'forbidden_words',
        _STARTEND + 'end_checker',
        _CHANGE_CASES + 'english_capital',
        _CHANGE_CASES + 'english_lowercase',
    },
    _LENGTH + 'number_sentences': {_LENGTH + 'number_sentences'},
    _LENGTH + 'number_paragraphs': {
        _LENGTH + 'number_paragraphs',
        _LENGTH + 'nth_paragraph_first_word',
        _LENGTH + 'number_sentences',
        _LENGTH + 'nth_paragraph_first_word',
    },
    _LENGTH + 'number_words': {_LENGTH + 'number_words'},
    _LENGTH + 'nth_paragraph_first_word': {
        _LENGTH + 'nth_paragraph_first_word',
        _LENGTH + 'number_paragraphs',
    },
    _CONTENT + 'number_placeholders': {_CONTENT + 'number_placeholders'},
    _CONTENT + 'postscript': {_CONTENT + 'postscript'},
    _FORMAT + 'number_bullet_lists': {_FORMAT + 'number_bullet_lists'},
    # TODO(jeffreyzhou): Pre-create paragraph or use prompt to replace
    # _CONTENT + "rephrase_paragraph": instructions.RephraseParagraph,
    _FORMAT + 'constrained_response':
    set(INSTRUCTION_DICT.keys()),
    _FORMAT + 'number_highlighted_sections': {_FORMAT + 'number_highlighted_sections'},
    _FORMAT + 'multiple_sections': {
        _FORMAT + 'multiple_sections',
        _LANGUAGE + 'response_language',
        _FORMAT + 'number_highlighted_sections',
    },
    # TODO(tianjianlu): Re-enable rephrasing with preprocessing the message.
    # _FORMAT + "rephrase": instructions.RephraseChecker,
    _FORMAT + 'json_format':
    set(INSTRUCTION_DICT.keys()).difference({_KEYWORD + 'forbidden_words', _KEYWORD + 'existence'}),
    _FORMAT + 'title': {_FORMAT + 'title'},
    # TODO(tianjianlu): Re-enable with specific prompts.
    # _MULTITURN + "constrained_start": instructions.ConstrainedStartChecker,
    _COMBINATION + 'two_responses':
    set(INSTRUCTION_DICT.keys()).difference({
        _KEYWORD + 'forbidden_words',
        _KEYWORD + 'existence',
        _LANGUAGE + 'response_language',
        _FORMAT + 'title',
        _PUNCTUATION + 'no_comma',
    }),
    _COMBINATION + 'repeat_prompt':
    set(INSTRUCTION_DICT.keys()).difference({_KEYWORD + 'existence', _FORMAT + 'title', _PUNCTUATION + 'no_comma'}),
    _STARTEND + 'end_checker': {_STARTEND + 'end_checker'},
    _CHANGE_CASES + 'capital_word_frequency': {
        _CHANGE_CASES + 'capital_word_frequency',
        _CHANGE_CASES + 'english_lowercase',
        _CHANGE_CASES + 'english_capital',
    },
    _CHANGE_CASES + 'english_capital': {_CHANGE_CASES + 'english_capital'},
    _CHANGE_CASES + 'english_lowercase': {
        _CHANGE_CASES + 'english_lowercase',
        _CHANGE_CASES + 'english_capital',
    },
    _PUNCTUATION + 'no_comma': {_PUNCTUATION + 'no_comma'},
    _STARTEND + 'quotation': {_STARTEND + 'quotation', _FORMAT + 'title'},
}


def conflict_make(conflicts):
    """Makes sure if A conflicts with B, B will conflict with A.

    Args:
      conflicts: Dictionary of potential conflicts where key is instruction id
        and value is set of instruction ids that it conflicts with.

    Returns:
      Revised version of the dictionary. All instructions conflict with
      themselves. If A conflicts with B, B will conflict with A.
    """
    for key in conflicts:
        for k in conflicts[key]:
            conflicts[k].add(key)
        conflicts[key].add(key)
    return conflicts
